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      11-18-2012, 02:05 PM   #6541
E92mech
E92
United_States
2
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120
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Drives: 2010 E92 Le Mans M-Sport
Join Date: Feb 2012
Location: Maryland

iTrader: (0)

I have a new Cobb Accessport coming for my 2010 E92. I have an emergency jump starter from Costco that is essentially a portable car battery that you connect to the terminals under the hood. I'm thinking of using this while I update the ECU with the Cobb for the first download ~20 minutes to make sure my battery doesn't run low.

Is there any problem in doing so, and can I leave the hood of the car up while Cobb is updating? Any problem with opening/closing the hood during update, or does it have to be left alone like the car door?

Thanks-